Home / 20,880,998.12-31,321,433.82-5,734,943.08

Finding the Fourth Proportional to 20,880,998.12, 31,321,433.82 and 5,734,943.08

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Solution

The fourth proportional to 20,880,998.12, 31,321,433.82 and 5,734,943.08 is: 8,602,397.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,880,998.12 : 31,321,433.82 = 5,734,943.08 : x
  2. Step 2: Convert to fraction form
    20,880,998.12/31,321,433.82 = 5,734,943.08/x
  3. Step 3: Cross multiply
    20,880,998.12x = 31,321,433.82 × 5,734,943.08
  4. Step 4: Simplify right side
    20,880,998.12x = 179,626,640,141,686.97
  5. Step 5: Solve for x
    x = 179,626,640,141,686.97/20,880,998.12
  6. Step 6: Final answer
    x = 8,602,397.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.